Across
- 2. an effect on someone or something not involved in an activity
- 4. to remove natural resources
- 6. balanced pattern or resource use that meets human need and preserves the environment
- 8. waste that makes the air, soil or water less clean
- 9. saving
- 10. materials that cycle naturally through the environment
- 11. living materials
- 13. non-living materials
- 14. materials that are replaceable
- 15. materials that CANNOT be replaced in a short period of time
- 16. a group of countries that decides how much oil to produce and what price to sell it at
Down
- 1. the variety of living things in a region or ecosystem
- 3. non renewable resources formed over millions of years from the remains of plants and animals
- 5. the loss of forest cover in a region
- 7. a useful material found in the environment
- 12. over use